#281F6A

#281F6A

Color Values

HEX

#281F6A

RGB

40, 31, 106

HSL

247.2, 54.7%, 26.9%

HSV

247.2, 70.8%, 41.6%

CMYK

62.3%, 70.8%, 0.0%, 58.4%

OKLCH

0.3031 0.1247 281.4

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#281F6A

#616A1F

Analogous

#1F3C6A

#4E1F6A

#281F6A

Triadic

#281F6A

#6A281F

#1F6A28

Split Complementary

#281F6A

#6A4E1F

#3C6A1F

Tetradic

#281F6A

#6A1F3C

#616A1F

#1F6A4E

Color Blindness Simulation

Original

#281F6A

Protanopia

#242458

Deuteranopia

#252553

Tritanopia

#284A46

Achromatopsia

#262626

CSS Usage

background-color: #281F6A;
color: #281F6A;
border-color: #281F6A;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CCC8EF
300
#A8A0E3
400
#796DD4
500
#4A3AC5
600
#3C2E9E
700
#30257E
800
#251D63
900
#1E1948
950
#13102E

Contrast Checker

Text on white

14.05:1

AA Pass AAA Pass

Text on black

1.49:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026